121 lines
2.9 KiB
C
121 lines
2.9 KiB
C
/*-
|
|
* Copyright (c) 2002 Marcel Moolenaar
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
#ifdef __FBSDID
|
|
__FBSDID("$FreeBSD: src/sbin/gpt/destroy.c,v 1.6 2005/08/31 01:47:19 marcel Exp $");
|
|
#endif
|
|
#ifdef __RCSID
|
|
__RCSID("$NetBSD: destroy.c,v 1.4 2011/08/27 17:38:16 joerg Exp $");
|
|
#endif
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include <err.h>
|
|
#include <stddef.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#include "map.h"
|
|
#include "gpt.h"
|
|
|
|
static int recoverable;
|
|
|
|
const char destroymsg[] = "destroy [-r] device ...";
|
|
|
|
__dead static void
|
|
usage_destroy(void)
|
|
{
|
|
|
|
fprintf(stderr,
|
|
"usage: %s %s\n", getprogname(), destroymsg);
|
|
exit(1);
|
|
}
|
|
|
|
static void
|
|
destroy(int fd)
|
|
{
|
|
map_t *pri_hdr, *sec_hdr;
|
|
|
|
pri_hdr = map_find(MAP_TYPE_PRI_GPT_HDR);
|
|
sec_hdr = map_find(MAP_TYPE_SEC_GPT_HDR);
|
|
|
|
if (pri_hdr == NULL && sec_hdr == NULL) {
|
|
warnx("%s: error: device doesn't contain a GPT", device_name);
|
|
return;
|
|
}
|
|
|
|
if (recoverable && sec_hdr == NULL) {
|
|
warnx("%s: error: recoverability not possible", device_name);
|
|
return;
|
|
}
|
|
|
|
if (pri_hdr != NULL) {
|
|
bzero(pri_hdr->map_data, secsz);
|
|
gpt_write(fd, pri_hdr);
|
|
}
|
|
|
|
if (!recoverable && sec_hdr != NULL) {
|
|
bzero(sec_hdr->map_data, secsz);
|
|
gpt_write(fd, sec_hdr);
|
|
}
|
|
}
|
|
|
|
int
|
|
cmd_destroy(int argc, char *argv[])
|
|
{
|
|
int ch, fd;
|
|
|
|
while ((ch = getopt(argc, argv, "r")) != -1) {
|
|
switch(ch) {
|
|
case 'r':
|
|
recoverable = 1;
|
|
break;
|
|
default:
|
|
usage_destroy();
|
|
}
|
|
}
|
|
|
|
if (argc == optind)
|
|
usage_destroy();
|
|
|
|
while (optind < argc) {
|
|
fd = gpt_open(argv[optind++]);
|
|
if (fd == -1) {
|
|
warn("unable to open device '%s'", device_name);
|
|
continue;
|
|
}
|
|
|
|
destroy(fd);
|
|
|
|
gpt_close(fd);
|
|
}
|
|
|
|
return (0);
|
|
}
|